So you shall work with her at place, inside this shelter? Not taking her home?
How are the kittens? Are THEY human friendly and easy to cuddle?
How is the cage? is it like a small room where you can go in, or is it just like a big dog cage?
First, you do as much as possible yourself. Especielly giving food and treats. So she connects you with someone friendly.
It may be idea YOU are giving food and treats to the kittens too, if she sees it.
If her kittens are friendly - you cuddle with them now and them (depends a little if they have their own fosterer who is also fostering - this person must of course go first... :) )
An alternative if there is some other friendly cat nearby, visible from her cage - you cuddle sometimes with this cat...
Sit down often at her cage (or inside the cage if possible), and just talk friendly with her, sort of baby talk. Friendly noises. Like a friendly, courting tom would do. (some toms do take what they want. Other, friendly toms do court with much sounds - so she knows very well who is trying to be nice and friendly, and who just uses her). You can also simple read aloud from a newspaper. Or even chant or sing some...
If you have Feliway spray you can spray some around you or on your hands if you shall in and do somehting around her...
Fostering in a cage is not my recommendation unless desperate. Yet at least one forumist told that is exactly what she uses to do. She has done it successfully with at least a 15 cats, and every one of them got adopted to families...
So it may be done if you know what you do. You dont even need to do it out of sheer desperation. :)
Good luck! *vibes*
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